module.exports = app => {
 const mongoose = require("mongoose")
 mongoose.connect('mongodb://127.0.0.1:27017/otaku-manager-application', {
  useNewUrlParser: true,
  useUnifiedTopology: true
 }, err => {
  if (err) console.warn('数据库连接失败!' + err)
  else console.log('数据库链接成功!')
 }
 )
}